Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Masamichi Miyazawa0
Masayoshi Hiraiwa0
Date of Patent
May 29, 2012
0Patent Application Number
125886120
Date Filed
October 21, 2009
0Patent Citations Received
Patent Primary Examiner
Patent abstract
In a gear chamber 10, a sealing member 21 is attached to a rotary shaft 12 of an electric motor 11, and a grease return part 21a is provided on this sealing member 21. Thus, grease raked by a helical gear 12a is blown off diagonally forward with respect to a radial direction as a result of a centrifugal force, and it is possible to prevent the grease from leaking out of a ball bearing 20.
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